Analysis of characteristics of undergraduate students based on SNA

The appearance of imaginary community has been an effective medium to study the communication among students. It is of great importance to understand the features of communication among members of the communities. To analyze the relationship in the virtual learning communities, methods such as SNA, indicators including communities net graph, K-core, integrity and density have been applied to study the characteristics of net mode, net communication, status of members in the communities and key members and knowledge net groups. The findings of the research are as follows: different study groups are formed among members of the virtual learning communities. The status of key members and their duties are interrelated. Key members play a significant role in the management of the communities.